All strong mode cleaning of dart2js.

pkg/compiler/lib/src/resolution/scope.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.resolution.scope;
 
 import '../elements/resolution_types.dart';
 import '../elements/elements.dart';
 
 abstract class Scope {
@@ skipping 92 matching lines @@
 
   TypeDeclarationScope(Scope parent, this.element) : super(parent);
 
   String toString() => 'TypeDeclarationScope($element)';
 }
 
 abstract class MutableScope extends NestedScope {
   final Map<String, Element> elements;
 
   MutableScope(Scope parent)
-      : super(parent),
-        this.elements = new Map<String, Element>() {
+      : this.elements = new Map<String, Element>(),
+        super(parent) {
     assert(parent != null);
   }
 
   Element add(Element newElement) {
     if (elements.containsKey(newElement.name)) {
       return elements[newElement.name];
     }
     elements[newElement.name] = newElement;
     return newElement;
   }
@@ skipping 96 matching lines @@
 
   Element localLookup(String name) => library.find(name);
   Element lookup(String name) => localLookup(name);
 
   Element add(Element newElement) {
     throw "Cannot add an element to a library scope";
   }
 
   String toString() => 'LibraryScope($library)';
 }